Originally Posted by intransit1217

Temp can make a huge difference. Beware.

Originally Posted by DrIsotope

^^^^^ This.

40 miles @ 75º is nothing. You probably won't even finish your second water bottle. 40 miles @ 90º, you'll probably stop twice to refill your water. My routine morning loops are 25-35 miles, and dependent on temperature, I will drink between 1/2 and 3 bottles. Today it's 86º by 8am, I think it's going to be more of a 3 bottle day.

Originally Posted by ericmerg1

I bought a saddle bag to hold my tube and tool and such so I could use my top rail frame bag for food,electrolyte drink mix It was 85 today and I hit a wall at 14 miles on a lack of food for the day and underestimating how much hills a new path had on it. funny how you can drive a road and forget about the climbs and they show up as a surprise when you bike them.